--- product_id: 63439206 title: "Single MRBF Fuse Block – Fuse NOT Included" brand: "bay marine supply" price: "€ 40.23" currency: EUR in_stock: true reviews_count: 8 category: "Bay Marine Supply" url: https://www.desertcart.hr/products/63439206-single-mrbf-fuse-block-fuse-not-included store_origin: HR region: Croatia --- # Amperage: 30-300A IP66 Rated Max Voltage: 58V Single MRBF Fuse Block – Fuse NOT Included **Brand:** bay marine supply **Price:** € 40.23 **Availability:** ✅ In Stock ## Summary > ⚓ Fuse Your Adventure with Confidence! ## Quick Answers - **What is this?** Single MRBF Fuse Block – Fuse NOT Included by bay marine supply - **How much does it cost?** € 40.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/63439206-single-mrbf-fuse-block-fuse-not-included) ## Best For - bay marine supply enthusiasts ## Why This Product - Trusted bay marine supply brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Ignition protected for peace of mind on gasoline-powered vessels. - • **Compact Powerhouse:** Designed for tight spaces without compromising on performance. - • **Water Jet Resistant:** IP66 rating ensures durability against powerful water jets. - • **High Current Protection:** Handles up to 10,000 AIC at 14V DC, meeting ABYC standards. - • **Versatile Compatibility:** Works seamlessly with MRBF fuses and standard M8 hardware. ## Overview The MRBF Terminal Fuse Block is a compact and robust solution for high-amp circuit protection in marine environments. Designed for use with MRBF fuses, it features a maximum voltage rating of 58V and an amperage range of 30-300A. With an IP66 rating for water resistance and ignition protection, this fuse block is ideal for ensuring safety and reliability in tight spaces aboard gasoline-powered boats. ## Description Product description Manufactured by the original OEM supplier - not a knock-off MRBF Fuse Holder can be mounted directly onto battery terminals. Compact in size, perfect for tight space installations. Interchangeable and replaceable fuses, sizes ranging from 30A to 300A. MRBF Fuse Holder can be mounted on busbars. Marine Rated battery Fuses Designed for the most demanding environment to provide high current protection for the tightest space constraints. Suitable for main and auxiliary circuit protection such as alternator outputs, starter motor inputs and accessory circuits. Alleviates having to make up a short wire to connect to a standard fuse block to the battery. Safe for installation aboard gasoline powered boats. DO NOT mount fuse directly onto battery post. Fuses should be mounted on the MRBF terminal fuse block. (See examples below) Ingress Protection: IP66, protected against powerful water jets Ignition Protected: Per SAEJ1117 Application Full range circuit protection for automotive and marine applications. The breaking capacity meets the requirements of conventional vehicle batteries and 12V, 24V and 42V electrical networks. Compact, high-amp fuse appropriate for DC Main, inverters, windlass, and bow thruster circuit protection. Provides high current protection in tight space constraints. Ignition protected when used with MRBF Terminal Fuse Blocks. Isolated stud design uses standard M8 hardware and permits stacking of terminals. Stud Size: 5/16" (M8), accepts 5/16" ring terminals Terminal Mounting Hole: 3/8" (M10) Material: Body - Ceramic; Housing & Cover: UL-rated 94V0 Thermoplastic; Ring Terminals - Tin Plated Bay Marine Supply 5191 – Single Stud Terminal Fuse Block Diagram of Single Terminal Block Dimensions of Single Terminal Block With Fuse Mounted Bay Marine Supply 2151 – Dual Stud Terminal Fuse Block Diagram of Dual Terminal Block Dimensions of Dual Terminal Block With Fuses Mounted Review: Just what I needed - Made my vehicle battery work with an inverter used in power outages. Nice Review: Excelente - Excelente ## Features - TERMINAL FUSE BLOCK (Fuse NOT Included) – Links to MRBF Fuses & Fuse Block Kit listings can be found below in the description - MRBF Terminal Fuse Block Includes: (1) Single MRBF Terminal Fuse Block, (1) Red Insulator Cap, (1) Washer, (1) Lock Washer, (1) M8 Hex Nut - Fuses have a Max Voltage Rating: 58V –– Fuse Holder have an Amperage Rating: 30-300A –– Fuses Holder Stud Size: M8 (5/16") –– Fuse Holder Mounting Hole: M10 (3/8") - Compact, high-amp fuse appropriate for DC Main, inverters, windlass, and bow thruster circuit protection. Provides high current protection in tight space constraints. Ignition protected when used with MRBF Terminal Fuse Blocks. Isolated stud design uses standard M8 hardware and permits stacking of terminals. - IGNITION PROTECTED – Safe for installation aboard gasoline powered boats. IP66 – Protected against powerful water jets. 10,000 AIC at 14V DC satisfies ABYC requirements for DC Main circuit protection on large battery banks. [WARNING: Do not mount fuses directly on battery terminals. Must use with Terminal Fuse Blocks.] ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B075ZJ3MRV | | Best Sellers Rank | #396,412 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #153 in Fuse Holders | | Brand Name | Bay Marine Supply | | Connector Type | Screw | | Current Rating | 300 Amps | | Customer Reviews | 4.8 out of 5 stars 82 Reviews | | Item Pitch | 8 Millimeters | | Manufacturer | Bay Marine Supply | | Material | Nylon, Plastic | | Material Type | Nylon, Plastic | | Model | MRBF | | Mounting Type | hardware mount | | Number Of Contacts | 1 | | Number Of Poles | 1 | | Number of Positions | 1 | | Part Number | 5191 | | Pitch | 8 Millimeters | | Unit Count | 1 Count | | Voltage | 58 Volts | ## Images ![Single MRBF Fuse Block – Fuse NOT Included - Image 1](https://m.media-amazon.com/images/I/41XG1Bdo5DL.jpg) ![Single MRBF Fuse Block – Fuse NOT Included - Image 2](https://m.media-amazon.com/images/I/41oTxSgFnWL.jpg) ![Single MRBF Fuse Block – Fuse NOT Included - Image 3](https://m.media-amazon.com/images/I/21SvkOsd7OL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Just what I needed *by G***E on January 5, 2025* Made my vehicle battery work with an inverter used in power outages. Nice ### ⭐⭐⭐⭐⭐ Excelente *by J***O on April 13, 2026* Excelente ### ⭐⭐⭐⭐⭐ 12 volt 100 AH Lifepo4 Battery *by G***E on October 9, 2025* These are Eaton / Bussman fuse holders top tier A++++. I have bought over a Dozen. Best on the Market --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/63439206-single-mrbf-fuse-block-fuse-not-included](https://www.desertcart.hr/products/63439206-single-mrbf-fuse-block-fuse-not-included) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-17*